有效
HSK 4#1379 by frequencyradical 月
effective; in effect; valid
Examples
这张票三日有效。
这条法律依然有效。
Part of the HSK 4 word list.
Learn 有效 the way it sticks: in sentences built from words you already know, scheduled so you review right before you'd forget.
Start your free weekDefinitions adapted from CC-CEDICT (CC BY-SA 4.0, modified). Example sentences from Tatoeba (CC BY 2.0 FR). Frequency ranks from the BCC corpus. Full credits on the Attributions page.